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Finding the Fourth Proportional to 32,245.20, 48,334.20 and 15,580.08

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Solution

The fourth proportional to 32,245.20, 48,334.20 and 15,580.08 is: 23,353.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,245.20 : 48,334.20 = 15,580.08 : x
  2. Step 2: Convert to fraction form
    32,245.20/48,334.20 = 15,580.08/x
  3. Step 3: Cross multiply
    32,245.20x = 48,334.20 × 15,580.08
  4. Step 4: Simplify right side
    32,245.20x = 753,050,702.74
  5. Step 5: Solve for x
    x = 753,050,702.74/32,245.20
  6. Step 6: Final answer
    x = 23,353.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.